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Cooper Discoverer SRX vs Yokohama Geolandar G91A — Compared

Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews. Based on 0 + 0 road tests and 340 + 5 owner reviews. How we score

Discoverer SRX is ahead, 73–38

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Cooper Discoverer SRX
Tire ACooper

Discoverer SRX

Premium Touring All Season tire

Tests – · none yet Owners 75 · 340 reviews

“I’ve had Cooper Discoverer SRX (all-season) with good experience.”

Category by category

Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.

  1. 76

    Dry

    Discoverer SRX +39
    37
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Professional tests (TWG score)≈ 73 (est.)≈ 49 (est.)
    Reviews found online8121

    Discoverer SRX: 60% × 73.1 (est.) + 40% × 81.1 = 76

    Geolandar G91A: 60% × 48.7 (est.) + 40% × 20.5 = 37

    No road tests of dry for Discoverer SRX. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.40).

    No road tests of dry for Geolandar G91A. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.40).

  2. 78

    Wet

    Discoverer SRX +46
    32
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Professional tests (TWG score)≈ 76 (est.)≈ 41 (est.)
    Reviews found online8119

    Discoverer SRX: 60% × 76.1 (est.) + 40% × 81 = 78

    Geolandar G91A: 60% × 41.3 (est.) + 40% × 18.9 = 32

    No road tests of wet for Discoverer SRX. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.56).

    No road tests of wet for Geolandar G91A. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.56).

  3. 67

    Snow

    Discoverer SRX +19
    48
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Professional tests (TWG score)≈ 68 (est.)≈ 58 (est.)
    Reviews found online6533

    Discoverer SRX: 60% × 68.2 (est.) + 40% × 64.7 = 67

    Geolandar G91A: 60% × 57.5 (est.) + 40% × 32.5 = 48

    No road tests of snow for Discoverer SRX. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.33).

    No road tests of snow for Geolandar G91A. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.33).

  4. 72

    Comfort

    Discoverer SRX +31
    41
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Professional tests (TWG score)≈ 70 (est.)≈ 60 (est.)
    Reviews found online7514

    Discoverer SRX: 60% × 70.1 (est.) + 40% × 74.6 = 72

    Geolandar G91A: 60% × 59.6 (est.) + 40% × 14.1 = 41

    No road tests of comfort for Discoverer SRX or Geolandar G91A. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.

  5. 70

    Noise

    Discoverer SRX +18
    52
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Professional tests (TWG score)≈ 67 (est.)≈ 67 (est.)
    Reviews found online7329

    Discoverer SRX: 60% × 67.3 (est.) + 40% × 73.2 = 70

    Geolandar G91A: 60% × 67.3 (est.) + 40% × 29 = 52

    No road tests of noise for Discoverer SRX or Geolandar G91A. The test half is the tested tires’ average (67): owners’ noise ratings barely follow the road tests.

  6. 69

    Treadwear

    Discoverer SRX +30
    39
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Professional tests (TWG score)≈ 67 (est.)≈ 52 (est.)
    Reviews found online7120

    Discoverer SRX: 60% × 67.2 (est.) + 40% × 70.6 = 69

    Geolandar G91A: 60% × 51.6 (est.) + 40% × 20.1 = 39

    No road tests of treadwear for Discoverer SRX. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.31).

    No road tests of treadwear for Geolandar G91A. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.31).

  7. 75

    Handling (owners)

    Discoverer SRX +52
    23
    Why this score
    SourceDiscoverer SRXGeolandar G91A
    Reviews found online7523
Scores at a glance
CategoryCooper Discoverer SRXYokohama Geolandar G91A
Relative Score 73 38
Dry 76 37
Wet 78 32
Snow 67 48
Comfort 72 41
Noise 70 52
Treadwear 69 39
Handling (owners) 75 23

Higher is better. The Relative Score follows your weights below; category scores do not change.

Weight the categories that matter to you

Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.

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Neutral
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Recomputed
Headline score

Discoverer SRX

Geolandar G91A

Pros, cons & observations

Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.

Tire A Discoverer SRX

Pros

  • Exceptional wet and winter weather traction (rain, slush, and snow)
  • Smooth and comfortable highway ride quality
  • Low road noise levels compared to stock or competing tires

Cons

  • Some users reported higher-than-average road noise or humming
  • Occasional tendency to wander or track on grooved pavement
  • A few reports of shorter tread life than advertised by isolated users
All owner themes in the Discoverer SRX review

Tire B Geolandar G91A

Not enough owner reviews yet to extract themes.

What real owners are saying

From Reddit, forums and review threads. Not part of our score

Tire A

Cooper Discoverer SRX

Positive

Community sentiment for the Cooper Discoverer SRX is overwhelmingly positive, with drivers consistently highlighting its quiet ride, comfortable handling, and dependable all-season traction. Many users report unexpectedly competent performance in light snow and winter conditions, along with favorable pricing compared to competitors like Michelin. Tread life feedback is generally solid, though at least one owner noted shorter longevity than expected.

jeepgarage.org ·2015-12-27

“My wife is using the SRX in her 13' Explorer and so far I love them. Great stability, quiet, no hydro planing. Will update once get some snow in them. Sent from my iPhone using JeepGarage”
bobistheoilguy.com ·1 upvote ·2020-09-17

“I have used the Cooper Discoverer SRX, the Cooper AT3 4S and Michelin Defender LTX. The Defenders lasted until 75000 miles and of course towards the end they were getting noisy and losing grip like all tires. Its a stiff tire built for longevity but not ride comfort. The Cooper Discoverer SRX is a very comfortable tire, but I got like 40000 miles out of them. They didnt seem to last. I am now using Cooper AT3 4S and its a very comfortable tire. It is a quiet tire but only a slight tolerable hum on the highway most wont notice. I cant believe its an all terrain tire. Thus I found long lasting does not translate to ride comfort. When you have a truck you need to hit the bumps more gently. The Coopers are comfortable tires which will make you turn your truck into a car but they are not 75000 mile tires. The Michelin Defenders will leave no doubt you driving a truck. For comfort also look at Continental/General line...”
r/4Runner ·1 upvote ·2022-11-13

“New tires.. for 2015 Limited 4WD....Michelin Defender LTX M/S vs Cooper Discoverer SRX I have had the Coopers for a while now but am looking to get a new set of tires. Should I go with them again or try out the Michelins? The Michelins seem to get good reviews and they're about the same price across both brands. What do you think? Mostly highway driving btw Read more”
Top themes
#quiet and comfortable ride#winter and snow traction#treadwear and longevity#value and pricing#all-season performance#comparison to Michelin Defender

Based on 28 community posts

Tire B

Yokohama Geolandar G91A

We haven't collected enough community discussion about this tire yet.

Specs side by side

Attribute A · Cooper Discoverer SRX B · Yokohama Geolandar G91A
CategoryPremium Touring All Season tireAll-Season tire
Vehicle typeSUV and 4x4SUV and 4x4
Sizes available31
Rim diameters16″ – 20″17″
Tread depth10 - 13/32″10/32″
UTQG600 - 740 A A - B280 B A
SidewallBlack Side Wall - Raised Outline White LetteringBlackwall
Max pressure44 - 50 psi44 psi

Which one should you actually buy?

Cooper Discoverer SRX

Yokohama Geolandar G91A

Winner: Cooper Discoverer SRX — better handling, wet and dry. It leads or ties in every category we score. Yokohama Geolandar G91A rests on little evidence so far (0 tests, 5 reviews), so read this result as provisional.

Pick tire A You enjoy sharp, responsive handling

Cooper Discoverer SRX scores 75 vs 23 on handling.

Pick tire A Your priority is wet-weather safety

Cooper Discoverer SRX scores 78 vs 32 on wet.

Pick tire A You want the most grip on dry roads

Cooper Discoverer SRX scores 76 vs 37 on dry.

Pick tire A You want the most comfortable ride

Cooper Discoverer SRX scores 72 vs 41 on comfort.

Tire A · Cooper Discoverer SRX
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Tire B · Yokohama Geolandar G91A
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Discoverer SRX or Geolandar G91A?

Which is better in the wet, Discoverer SRX or Geolandar G91A?

Cooper Discoverer SRX, 78 vs 32 on our wet score.

Which grips better on dry roads, Discoverer SRX or Geolandar G91A?

Cooper Discoverer SRX, 76 vs 37 on our dry score.

Which is better in snow, Discoverer SRX or Geolandar G91A?

Cooper Discoverer SRX, 67 vs 48 on our snow score.

Which is quieter, Discoverer SRX or Geolandar G91A?

Cooper Discoverer SRX, 70 vs 52 on our noise score.

Which is more comfortable, Discoverer SRX or Geolandar G91A?

Cooper Discoverer SRX, 72 vs 41 on our comfort score.

Which lasts longer, Discoverer SRX or Geolandar G91A?

Cooper Discoverer SRX, 69 vs 39 on our treadwear score.

How do we compare tires?

Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.

Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.

Community buzz from Reddit and forums is shown for context only — it never changes the score. Full methodology